| PASS Can get the ReadableStreamBYOBReader constructor indirectly | |
| PASS Can get the ReadableByteStreamController constructor indirectly | |
| PASS ReadableStreamBYOBReader enforces a brand check on its argument | |
| PASS ReadableStreamBYOBReader.prototype.closed enforces a brand check | |
| PASS ReadableStreamBYOBReader.prototype.cancel enforces a brand check | |
| PASS ReadableStreamBYOBReader.prototype.read enforces a brand check | |
| PASS ReadableStreamBYOBReader.prototype.releaseLock enforces a brand check | |
| PASS ReadableByteStreamController enforces a brand check on its arguments | |
| PASS ReadableByteStreamController can't be given a fully-constructed ReadableStream | |
| PASS ReadableByteStreamController.prototype.byobRequest enforces a brand check | |
| PASS ReadableByteStreamController.prototype.close enforces a brand check | |
| PASS ReadableByteStreamController.prototype.enqueue enforces a brand check | |
| PASS ReadableByteStreamController.prototype.error enforces a brand check | |
| PASS ReadableStreamBYOBRequest enforces brand checks | |